Letter

01 February 1941
Comments Letters S I R S , -- I t has long been known t h a t there is a remarkable relation between t h e Short-eared Owl (Asio flammeus) and the common field-vole (Microtus agrestis). The common vole at apparently regular intervals increases in numbers in different loca...
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Letter

01 February 1929
Comments Letters SIRS,--After reading carefully Mr. Coward's article (antea, p . 134) and Col. Ryves's letter (antea, p. 171), I would like to suggest an explanation of wing-clapping which occurred to me years ago, after observing domestic Pigeons make this noise within a...
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